相山铀矿田航空能谱数据图像处理与分析

Image Processing and Analysis of Airborne Gamma Spectrum in Xiangshan Uranium Ore-field

航空γ能谱测量是一种快速、有效的铀矿地质普查和找矿的手段。以相山铀矿田为例,利用ArcGIS、ERDASIMAGINE软件平台,将光学色彩空间变化方法——孟赛尔变换等数字图像处理技术引入航空伽玛能谱数据处理中,获得了一套有关相山火山盆地放射总场强度、放射场类型和放射场纯度等特征性能谱信息。这一新的能谱数据处理思路和技术,为相山铀矿田地质勘查提供了新的线索。

Airborne gamma spectrum survey is an efficient method for uranium deposit exploration. Based on Arc- GIS, ERDAS IMAGINE software platform, this paper takes digital image processing technique including Munsell transform into airborne gamma spectral data processing, and obtains a suit of characteristic spectral massages in Xiangshan volcanic basin, which contain the total radioactive intensity, radioactive types and radioactive purity. Those result provide some new ideas to the prospecting of uranium resource in Xiangshan area.